C86 80C88 DS-186

Size: px
Start display at page:

Download "C86 80C88 DS-186"

Transcription

1

2 MCS C86 80C88 Ceibo In-Circuit Emulator Supporting MCS-86: DS

3 Chapter 1 Introduction Manual Organization 8086 Family Architecture Functional Distribution - Microprocessors - Interrupt Controller - Bus Interface Components Multiprocessing Bus Organization - Local Bus - System Bus - Processing Modules - Bus Implementation Examples Development Aids

4 Chapter 2 The 8086 and 8088 Central Processing Units Processor Overview Processor Architecture - Execution Unit - Bus Interface Unit - General Registers - Segment Register - Instruction Pointer - Flags /8085 Register and Flag Correspondance - Mode Selection Memory -Storage Organization - Segmentation - Physical address Generation - Dynamically Relocatable Code - Stack Implementation - Dedicated and Reserved Memory Locations -8086/8088 Memory Access Differences Input/Output - Input/Output Space - Restricted I/O Locations /8088 Memory Access Differences - Memory-Mapped I/O - Direct Memory Access Input/Output Processor (IOP)

5 Multiprocessing Features - Bus Lock - WAIT and!test - Escape - Request / Grant Lines - Multibus Architecture Bus Arbiter Processor Control and Monitoring - Interrupts * External interrupts * Internal Interrupts * Interrupt Pointer Table * Interrupt Procedures * Single-step (Trap) Interrupt * Breakpoint Interrupt - System Reset -Instruction Queue Status - Processor halt -Status Lines Instruction Set - Data Transfer Instructions * General Purpose Data Transfers * Address Object Transfers * Flag Transfers - Arithmetic Instructions * Arithmetic Data Formats * Arithmetic Instructions and Flags * Addition * Substraction * Multiplication * Division

6 -Bit Manipulation Instructions * Logical * Shifts * Rotates -String instructions - Program Transfer Instructions * Unconditional Transfers * Iteration Control * Interrupts Instructions - Processor Control Instructions * Flag Operations * External Synchronization * No Operation - Instruction Set Reference Information Addressing Modes - Register and Immediates Operands - Memory Addressing Modes * The Effective Address * Direct Addressing * Register Indirect Addressing * Based Addressing * Indexed Addressing * Based Indexed Addressing * String Addressing - I/O Addressing Programming Facilities -Software Development Overview -PL/M-86 * Statements and Comments * Data Definition * Assignment Statement * Program Flow Statements * Procedures -ASM-86

7 * Statements * Constants * Defining Data * Records * Structures * Addressing Modes * Segment Controls * Procedures LINK-86 LOC-86 LIB-86 OH-86 CONV-86 Sample Programs Programming Guidelines and Examples - Programming Guidelines * Segments and Segment Registers * Self Modifying Code * Input/output * Operating Systems * Interrupt Service Procedures * Stack-Based Parameters * Flag Images - Programming Examples * Procedures * Jump and Calls * Records * Dynamic Code Relocation * Memory-Mapped I/O * Breakpoints * Interrupt Procedures * String Operations

8 Chapter 3 The 8089 INPUT / OUTPUT PROCESSOR Processor Overview - Evolution - Principles of Operation * CPU/IOP Communications * Channels * Channel Programs (Task Blocks) * DMA Transfers * Bus Configurations * A Sample Transaction - Applications Processor Architecture - Common Contro Unit (CCU) - Arithmetic / Logic Unit (ALU) - Assembly / Disassembly Registers - Instruction Fetch Unit - Bus Interface Unit (BIU) Channels * I/O Control * Registers * Program Status Word * Tag Bits * Concurrent Channel Operation Memory - Storage Organization - Dedicated and Reserved Memory Locations - Dynamic Relacation - Memory Access Input /Output

9 - Programmed I/O * I/O Instructions * Device Addressing * I/O Bus Transfers - DMA Transfers * Preparing the Device Controller * Preparing the channel * Beginning the Transfer * DMA Transfer Cycle * Following the Transfer Multiprocessing Features - Bus Arbitration * Request / Grant Line * 8289 BusArbiter * Bus Arbitration for IOP Configurations - Bus Load Limit - Bus Lock Processor Control and Monitoring - Initialization -Channel Commands -DRQ (DMA Request) -EXT (External Terminate) -Interrupt - Status Lines Instruction Set - Data transfer Instructions - Arithmetic Instructions - Logical and Bit Manipulation Instructions - Program Transfer Instructions - Processor Control Instructions - Instruction Set Reference Information

10 Addressing Modes - Register and Immediate Operands -Memory addressing Modes * The Effective Address * Based Addressing * Offset Addressing * Indexed Addressing * Index Auto-Increment Addressing Programming Facilities ASM-89 - Statements - Constants - Defining Data - Structures - Addressing Modes - Program Transfer Targets - Procedures - Segment Control - Intermodule Communication - Sample Program - Linking and locating ASM-89 Modules Programming Guidelines and Examples - Programming Guidelines - Segments -Self-Modifying Code - I/O System Design -Programming Examples Initialization and Dispatch Memory-to-Memory Transfer Saving and Restoring Registers

11 Chapter 4 Hardware Reference Information Introduction 8086 and 8088 CPUs - CPU Architecture - Bus Operation - Clock Circuit - Minimum / Maximum Mode * Minimum Mode * Maximum Mode - External Memory Addressing - I/O Interfacing - Interrupts - Machine Instruction Encoding and Decoding 8086 Instruction Sequence 8089 I/O Processor -System Configuration * Local Mode * Remote Mode - Bus Operation - Initialization - I/O Dispatching - DMA Transfers - DMA Termination -Peripheral Interfacing - Instruction Encoding

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

icroprocessor istory of Microprocessor ntel 8086:

icroprocessor istory of Microprocessor ntel 8086: Microprocessor A microprocessor is an electronic device which computes on the given input similar to CPU of a computer. It is made by fabricating millions (or billions) of transistors on a single chip.

More information

Basic characteristics & features of 8086 Microprocessor Dr. M. Hebaishy

Basic characteristics & features of 8086 Microprocessor Dr. M. Hebaishy Basic characteristics & features of 8086 Microprocessor Dr. M. Hebaishy Digital Logic Design Ch1-1 8086 Microprocessor Features: The 8086 microprocessor is a 16 bit microprocessor. The term 16 bit means

More information

UNIT II SYSTEM BUS STRUCTURE 1. Differentiate between minimum and maximum mode 2. Give any four pin definitions for the minimum mode. 3. What are the pins that are used to indicate the type of transfer

More information

SRI VENKATESWARA COLLEGE OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF ECE EC6504 MICROPROCESSOR AND MICROCONTROLLER (REGULATION 2013)

SRI VENKATESWARA COLLEGE OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF ECE EC6504 MICROPROCESSOR AND MICROCONTROLLER (REGULATION 2013) SRI VENKATESWARA COLLEGE OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF ECE EC6504 MICROPROCESSOR AND MICROCONTROLLER (REGULATION 2013) UNIT I THE 8086 MICROPROCESSOR PART A (2 MARKS) 1. What are the functional

More information

MICROPROCESSOR PROGRAMMING AND SYSTEM DESIGN

MICROPROCESSOR PROGRAMMING AND SYSTEM DESIGN MICROPROCESSOR PROGRAMMING AND SYSTEM DESIGN ROAD MAP SDK-86 Intel 8086 Features 8086 Block Diagram 8086 Architecture Bus Interface Unit Execution Unit 8086 Architecture 8086 Programmer s Model Flag Register

More information

CHETTINAD COLLEGE OF ENGINEERING AND TECHNOLOGY COMMUNICATION ENGINEERING REG 2008 TWO MARKS QUESTION AND ANSWERS

CHETTINAD COLLEGE OF ENGINEERING AND TECHNOLOGY COMMUNICATION ENGINEERING REG 2008 TWO MARKS QUESTION AND ANSWERS CHETTINAD COLLEGE OF ENGINEERING AND TECHNOLOGY B.E.,/B.TECH., ELECTRONICS EC6504 MICROPROCESSORS & MICRO CONTROLLERS COMMUNICATION ENGINEERING REG 2008 TWO MARKS QUESTION AND ANSWERS UNIT 1 AND 2 CS SUBJECT

More information

Lecture1: introduction. Outline: History overview Central processing unite Register set Special purpose address registers Datapath Control unit

Lecture1: introduction. Outline: History overview Central processing unite Register set Special purpose address registers Datapath Control unit Lecture1: introduction Outline: History overview Central processing unite Register set Special purpose address registers Datapath Control unit 1 1. History overview Computer systems have conventionally

More information

Microprocessors/Microcontrollers

Microprocessors/Microcontrollers Microprocessors/Microcontrollers A central processing unit (CPU) fabricated on one or more chips, containing the basic arithmetic, logic, and control elements of a computer that are required for processing

More information

9/25/ Software & Hardware Architecture

9/25/ Software & Hardware Architecture 8086 Software & Hardware Architecture 1 INTRODUCTION It is a multipurpose programmable clock drive register based integrated electronic device, that reads binary instructions from a storage device called

More information

Introduction to Microprocessor

Introduction to Microprocessor Introduction to Microprocessor The microprocessor is a general purpose programmable logic device. It is the brain of the computer and it performs all the computational tasks, calculations data processing

More information

SYLLABUS UNIT - I 8086/8088 ARCHITECTURE AND INSTRUCTION SET

SYLLABUS UNIT - I 8086/8088 ARCHITECTURE AND INSTRUCTION SET 1 SYLLABUS UNIT - I 8086/8088 ARCHITECTURE AND INSTRUCTION SET Intel 8086/8088 Architecture Segmented Memory, Minimum and Maximum Modes of Operation, Timing Diagram, Addressing Modes, Instruction Set,

More information

VARDHAMAN COLLEGE OF ENGINEERING (AUTONOMOUS) Shamshabad, Hyderabad

VARDHAMAN COLLEGE OF ENGINEERING (AUTONOMOUS) Shamshabad, Hyderabad Introduction to MS-DOS Debugger DEBUG In this laboratory, we will use DEBUG program and learn how to: 1. Examine and modify the contents of the 8086 s internal registers, and dedicated parts of the memory

More information

CHAPTER 5 : Introduction to Intel 8085 Microprocessor Hardware BENG 2223 MICROPROCESSOR TECHNOLOGY

CHAPTER 5 : Introduction to Intel 8085 Microprocessor Hardware BENG 2223 MICROPROCESSOR TECHNOLOGY CHAPTER 5 : Introduction to Intel 8085 Hardware BENG 2223 MICROPROCESSOR TECHNOLOGY The 8085A(commonly known as the 8085) : Was first introduced in March 1976 is an 8-bit microprocessor with 16-bit address

More information

QUESTION BANK CS2252 MICROPROCESSOR AND MICROCONTROLLERS

QUESTION BANK CS2252 MICROPROCESSOR AND MICROCONTROLLERS FATIMA MICHAEL COLLEGE OF ENGINEERING & TECHNOLOGY Senkottai Village, Madurai Sivagangai Main Road, Madurai -625 020 QUESTION BANK CS2252 MICROPROCESSOR AND MICROCONTROLLERS UNIT 1 - THE 8085 AND 8086

More information

The von Neumann Architecture. IT 3123 Hardware and Software Concepts. The Instruction Cycle. Registers. LMC Executes a Store.

The von Neumann Architecture. IT 3123 Hardware and Software Concepts. The Instruction Cycle. Registers. LMC Executes a Store. IT 3123 Hardware and Software Concepts February 11 and Memory II Copyright 2005 by Bob Brown The von Neumann Architecture 00 01 02 03 PC IR Control Unit Command Memory ALU 96 97 98 99 Notice: This session

More information

Chapter 3. Z80 Instructions & Assembly Language. Von Neumann Architecture. Memory. instructions. program. data

Chapter 3. Z80 Instructions & Assembly Language. Von Neumann Architecture. Memory. instructions. program. data Von Neumann Architecture The von Neumann architecture is a computer design model that uses a processing unit and a separate storage to hold both instructions and data To run a machine, program and data

More information

Blog -

Blog - . Instruction Codes Every different processor type has its own design (different registers, buses, microoperations, machine instructions, etc) Modern processor is a very complex device It contains Many

More information

8086 INTERNAL ARCHITECTURE

8086 INTERNAL ARCHITECTURE 8086 INTERNAL ARCHITECTURE Segment 2 Intel 8086 Microprocessor The 8086 CPU is divided into two independent functional parts: a) The Bus interface unit (BIU) b) Execution Unit (EU) Dividing the work between

More information

Intel 8086 MICROPROCESSOR. By Y V S Murthy

Intel 8086 MICROPROCESSOR. By Y V S Murthy Intel 8086 MICROPROCESSOR By Y V S Murthy 1 Features It is a 16-bit μp. 8086 has a 20 bit address bus can access up to 2 20 memory locations (1 MB). It can support up to 64K I/O ports. It provides 14,

More information

SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road QUESTION BANK (DESCRIPTIVE) UNIT-I

SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road QUESTION BANK (DESCRIPTIVE) UNIT-I SIDDHARTH GROUP OF INSTITUTIONS :: PUTTUR Siddharth Nagar, Narayanavanam Road 517583 QUESTION BANK (DESCRIPTIVE) Subject with Code : CO (16MC802) Year & Sem: I-MCA & I-Sem Course & Branch: MCA Regulation:

More information

Microprocessors and Microcontrollers. Assignment 1:

Microprocessors and Microcontrollers. Assignment 1: Microprocessors and Microcontrollers Assignment 1: 1. List out the mass storage devices and their characteristics. 2. List the current workstations available in the market for graphics and business applications.

More information

Architecture of 8085 microprocessor

Architecture of 8085 microprocessor Architecture of 8085 microprocessor 8085 consists of various units and each unit performs its own functions. The various units of a microprocessor are listed below Accumulator Arithmetic and logic Unit

More information

Program controlled semiconductor device (IC) which fetches (from memory), decodes and executes instructions.

Program controlled semiconductor device (IC) which fetches (from memory), decodes and executes instructions. 8086 Microprocessor Microprocessor Program controlled semiconductor device (IC) which fetches (from memory), decodes and executes instructions. It is used as CPU (Central Processing Unit) in computers.

More information

Chapter 1: Basics of Microprocessor [08 M]

Chapter 1: Basics of Microprocessor [08 M] Microprocessor: Chapter 1: Basics of Microprocessor [08 M] It is a semiconductor device consisting of electronic logic circuits manufactured by using either a Large scale (LSI) or Very Large Scale (VLSI)

More information

What Are The Main Differences Between Program Counter Pc And Instruction Register Ir

What Are The Main Differences Between Program Counter Pc And Instruction Register Ir What Are The Main Differences Between Program Counter Pc And Instruction Register Ir and register-based instructions - Anatomy on a CPU - Program Counter (PC): holds memory address of next instruction

More information

Digital IP Cell 8-bit Microcontroller PE80

Digital IP Cell 8-bit Microcontroller PE80 1. Description The is a Z80 compliant processor soft-macro - IP block that can be implemented in digital or mixed signal ASIC designs. The Z80 and its derivatives and clones make up one of the most commonly

More information

Question Bank Microprocessor and Microcontroller

Question Bank Microprocessor and Microcontroller QUESTION BANK - 2 PART A 1. What is cycle stealing? (K1-CO3) During any given bus cycle, one of the system components connected to the system bus is given control of the bus. This component is said to

More information

Advanced Parallel Architecture Lesson 3. Annalisa Massini /2015

Advanced Parallel Architecture Lesson 3. Annalisa Massini /2015 Advanced Parallel Architecture Lesson 3 Annalisa Massini - 2014/2015 Von Neumann Architecture 2 Summary of the traditional computer architecture: Von Neumann architecture http://williamstallings.com/coa/coa7e.html

More information

Microcomputer Architecture and Programming

Microcomputer Architecture and Programming IUST-EE (Chapter 1) Microcomputer Architecture and Programming 1 Outline Basic Blocks of Microcomputer Typical Microcomputer Architecture The Single-Chip Microprocessor Microprocessor vs. Microcontroller

More information

16-Bit Intel Processor Architecture

16-Bit Intel Processor Architecture IBM-PC Organization 16-Bit Intel Processor Architecture A-16 bit microprocessor can operate on 16 bits of data at a time. 8086/8088 have the simplest structure 8086/8088 have the same instruction set,

More information

STRUCTURE OF DESKTOP COMPUTERS

STRUCTURE OF DESKTOP COMPUTERS Page no: 1 UNIT 1 STRUCTURE OF DESKTOP COMPUTERS The desktop computers are the computers which are usually found on a home or office desk. They consist of processing unit, storage unit, visual display

More information

BASIC INTERFACING CONCEPTS

BASIC INTERFACING CONCEPTS Contents i SYLLABUS UNIT - I 8085 ARCHITECTURE Introduction to Microprocessors and Microcontrollers, 8085 Processor Architecture, Internal Operations, Instructions and Timings, Programming the 8085-Introduction

More information

History and Basic Processor Architecture

History and Basic Processor Architecture History and Basic Processor Architecture History of Computers Module 1 Section 1 What Is a Computer? An electronic machine, operating under the control of instructions stored in its own memory, that can

More information

INTEL Architectures GOPALAKRISHNAN IYER FALL 2009 ELEC : Computer Architecture and Design

INTEL Architectures GOPALAKRISHNAN IYER FALL 2009 ELEC : Computer Architecture and Design INTEL Architectures GOPALAKRISHNAN IYER FALL 2009 GBI0001@AUBURN.EDU ELEC 6200-001: Computer Architecture and Design Silicon Technology Moore s law Moore's Law describes a long-term trend in the history

More information

UNIT II OVERVIEW MICROPROCESSORS AND MICROCONTROLLERS MATERIAL. Introduction to 8086 microprocessors. Architecture of 8086 processors

UNIT II OVERVIEW MICROPROCESSORS AND MICROCONTROLLERS MATERIAL. Introduction to 8086 microprocessors. Architecture of 8086 processors OVERVIEW UNIT II Introduction to 8086 microprocessors Architecture of 8086 processors Register Organization of 8086 Memory Segmentation of 8086 Pin Diagram of 8086 Timing Diagrams for 8086 Interrupts of

More information

Computer Architecture

Computer Architecture Computer Architecture A computer system has three main components: a Central Processing Unit (CPU) or processor, a Memory Unit and Input /Output Units (devices). In any microcomputer system, the component

More information

2 MARKS Q&A 1 KNREDDY UNIT-I

2 MARKS Q&A 1 KNREDDY UNIT-I 2 MARKS Q&A 1 KNREDDY UNIT-I 1. What is bus; list the different types of buses with its function. A group of lines that serves as a connecting path for several devices is called a bus; TYPES: ADDRESS BUS,

More information

Chapter 7 Central Processor Unit (S08CPUV2)

Chapter 7 Central Processor Unit (S08CPUV2) Chapter 7 Central Processor Unit (S08CPUV2) 7.1 Introduction This section provides summary information about the registers, addressing modes, and instruction set of the CPU of the HCS08 Family. For a more

More information

Computer Logic II CCE 2010

Computer Logic II CCE 2010 Computer Logic II CCE 2010 Dr. Owen Casha Computer Logic II 1 The Processing Unit Computer Logic II 2 The Processing Unit In its simplest form, a computer has one unit that executes program instructions.

More information

Unit 1. Chapter 3 Top Level View of Computer Function and Interconnection

Unit 1. Chapter 3 Top Level View of Computer Function and Interconnection Unit 1 Chapter 3 Top Level View of Computer Function and Interconnection Program Concept Hardwired systems are inflexible General purpose hardware can do different tasks, given correct control signals

More information

Microprocessor Architecture

Microprocessor Architecture Microprocessor - 8085 Architecture 8085 is pronounced as "eighty-eighty-five" microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology. It has the following configuration

More information

1 MALP ( ) Unit-1. (1) Draw and explain the internal architecture of 8085.

1 MALP ( ) Unit-1. (1) Draw and explain the internal architecture of 8085. (1) Draw and explain the internal architecture of 8085. The architecture of 8085 Microprocessor is shown in figure given below. The internal architecture of 8085 includes following section ALU-Arithmetic

More information

ADVANCE MICROPROCESSOR & INTERFACING

ADVANCE MICROPROCESSOR & INTERFACING VENUS INTERNATIONAL COLLEGE OF TECHNOLOGY Gandhinagar Department of Computer Enggineering ADVANCE MICROPROCESSOR & INTERFACING Name : Enroll no. : Class Year : 2014-15 : 5 th SEM C.E. VENUS INTERNATIONAL

More information

Chapter 4. MARIE: An Introduction to a Simple Computer. Chapter 4 Objectives. 4.1 Introduction. 4.2 CPU Basics

Chapter 4. MARIE: An Introduction to a Simple Computer. Chapter 4 Objectives. 4.1 Introduction. 4.2 CPU Basics Chapter 4 Objectives Learn the components common to every modern computer system. Chapter 4 MARIE: An Introduction to a Simple Computer Be able to explain how each component contributes to program execution.

More information

INTRODUCTION TO MICROPROCESSORS

INTRODUCTION TO MICROPROCESSORS INTRODUCTION TO MICROPROCESSORS Richa Upadhyay Prabhu NMIMS s MPSTME richa.upadhyay@nmims.edu January 7, 2016 Richa Upadhyay Prabhu (MPSTME) INTRODUCTION January 7, 2016 1 / 63 Course Design Prerequisite:

More information

Microprocessor Theory

Microprocessor Theory Microprocessor Theory and Applications with 68000/68020 and Pentium M. RAFIQUZZAMAN, Ph.D. Professor California State Polytechnic University Pomona, California and President Rafi Systems, Inc. WILEY A

More information

MICROPROCESSOR Architecture, Programming and Interfacing SUNIL MATHUR. Assistant Professor Maharaja Agrasen Institute of Technology Delhi

MICROPROCESSOR Architecture, Programming and Interfacing SUNIL MATHUR. Assistant Professor Maharaja Agrasen Institute of Technology Delhi MICROPROCESSOR 8086 Architecture, Programming and Interfacing SUNIL MATHUR Assistant Professor Maharaja Agrasen Institute of Technology Delhi New Delhi-110001 2011 MICROPROCESSOR 8086: Architecture, Programming

More information

Intel 8086 MICROPROCESSOR ARCHITECTURE

Intel 8086 MICROPROCESSOR ARCHITECTURE Intel 8086 MICROPROCESSOR ARCHITECTURE 1 Features It is a 16-bit μp. 8086 has a 20 bit address bus can access up to 2 20 memory locations (1 MB). It can support up to 64K I/O ports. It provides 14, 16

More information

PESIT Bangalore South Campus

PESIT Bangalore South Campus INTERNAL ASSESSMENT TEST I Date: 30/08/2017 Max Marks: 40 Subject & Code: Computer Organization 15CS34 Semester: III (A & B) Name of the faculty: Mrs.Sharmila Banu.A Time: 8.30 am 10.00 am Answer any FIVE

More information

Digital System Design Using Verilog. - Processing Unit Design

Digital System Design Using Verilog. - Processing Unit Design Digital System Design Using Verilog - Processing Unit Design 1.1 CPU BASICS A typical CPU has three major components: (1) Register set, (2) Arithmetic logic unit (ALU), and (3) Control unit (CU) The register

More information

Internal architecture of 8086

Internal architecture of 8086 Case Study: Intel Processors Internal architecture of 8086 Slide 1 Case Study: Intel Processors FEATURES OF 8086 It is a 16-bit μp. 8086 has a 20 bit address bus can access up to 220 memory locations (1

More information

Lecture 5:8086 Outline: 1. introduction 2. execution unit 3. bus interface unit

Lecture 5:8086 Outline: 1. introduction 2. execution unit 3. bus interface unit Lecture 5:8086 Outline: 1. introduction 2. execution unit 3. bus interface unit 1 1. introduction The internal function of 8086 processor are partitioned logically into processing units,bus Interface Unit(BIU)

More information

Chapter 3. Top Level View of Computer Function and Interconnection. Yonsei University

Chapter 3. Top Level View of Computer Function and Interconnection. Yonsei University Chapter 3 Top Level View of Computer Function and Interconnection Contents Computer Components Computer Function Interconnection Structures Bus Interconnection PCI 3-2 Program Concept Computer components

More information

CPU ARCHITECTURE. QUESTION 1 Explain how the width of the data bus and system clock speed affect the performance of a computer system.

CPU ARCHITECTURE. QUESTION 1 Explain how the width of the data bus and system clock speed affect the performance of a computer system. CPU ARCHITECTURE QUESTION 1 Explain how the width of the data bus and system clock speed affect the performance of a computer system. ANSWER 1 Data Bus Width the width of the data bus determines the number

More information

Lecture 5: Computer Organization Instruction Execution. Computer Organization Block Diagram. Components. General Purpose Registers.

Lecture 5: Computer Organization Instruction Execution. Computer Organization Block Diagram. Components. General Purpose Registers. Lecture 5: Computer Organization Instruction Execution Computer Organization Addressing Buses Fetch-Execute Cycle Computer Organization CPU Control Unit U Input Output Memory Components Control Unit fetches

More information

Question Bank Part-A UNIT I- THE 8086 MICROPROCESSOR 1. What is microprocessor? A microprocessor is a multipurpose, programmable, clock-driven, register-based electronic device that reads binary information

More information

Advanced Parallel Architecture Lesson 3. Annalisa Massini /2015

Advanced Parallel Architecture Lesson 3. Annalisa Massini /2015 Advanced Parallel Architecture Lesson 3 Annalisa Massini - Von Neumann Architecture 2 Two lessons Summary of the traditional computer architecture Von Neumann architecture http://williamstallings.com/coa/coa7e.html

More information

1. Internal Architecture of 8085 Microprocessor

1. Internal Architecture of 8085 Microprocessor 1. Internal Architecture of 8085 Microprocessor Control Unit Generates signals within up to carry out the instruction, which has been decoded. In reality causes certain connections between blocks of the

More information

The Nios II Family of Configurable Soft-core Processors

The Nios II Family of Configurable Soft-core Processors The Nios II Family of Configurable Soft-core Processors James Ball August 16, 2005 2005 Altera Corporation Agenda Nios II Introduction Configuring your CPU FPGA vs. ASIC CPU Design Instruction Set Architecture

More information

JNTUWORLD. 1. Discuss in detail inter processor arbitration logics and procedures with necessary diagrams? [15]

JNTUWORLD. 1. Discuss in detail inter processor arbitration logics and procedures with necessary diagrams? [15] Code No: 09A50402 R09 Set No. 2 1. Discuss in detail inter processor arbitration logics and procedures with necessary diagrams? [15] 2. (a) Discuss asynchronous serial transfer concept? (b) Explain in

More information

Architecture & Instruction set of 8085 Microprocessor and 8051 Micro Controller

Architecture & Instruction set of 8085 Microprocessor and 8051 Micro Controller of 8085 microprocessor 8085 is pronounced as "eighty-eighty-five" microprocessor. It is an 8-bit microprocessor designed by Intel in 1977 using NMOS technology. It has the following configuration 8-bit

More information

Understanding the basic building blocks of a microcontroller device in general. Knows the terminologies like embedded and external memory devices,

Understanding the basic building blocks of a microcontroller device in general. Knows the terminologies like embedded and external memory devices, Understanding the basic building blocks of a microcontroller device in general. Knows the terminologies like embedded and external memory devices, CISC and RISC processors etc. Knows the architecture and

More information

Class Notes. Dr.C.N.Zhang. Department of Computer Science. University of Regina. Regina, SK, Canada, S4S 0A2

Class Notes. Dr.C.N.Zhang. Department of Computer Science. University of Regina. Regina, SK, Canada, S4S 0A2 Class Notes CS400 Part VI Dr.C.N.Zhang Department of Computer Science University of Regina Regina, SK, Canada, S4S 0A2 C. N. Zhang, CS400 83 VI. CENTRAL PROCESSING UNIT 1 Set 1.1 Addressing Modes and Formats

More information

SCRAM Introduction. Philipp Koehn. 19 February 2018

SCRAM Introduction. Philipp Koehn. 19 February 2018 SCRAM Introduction Philipp Koehn 19 February 2018 This eek 1 Fully work through a computer circuit assembly code Simple but Complete Random Access Machine (SCRAM) every instruction is 8 bit 4 bit for op-code:

More information

Processing Unit CS206T

Processing Unit CS206T Processing Unit CS206T Microprocessors The density of elements on processor chips continued to rise More and more elements were placed on each chip so that fewer and fewer chips were needed to construct

More information

EC6504 MICROPROCESSOR AND MICROCONTROLLER

EC6504 MICROPROCESSOR AND MICROCONTROLLER UNIT I THE 8086 MICROPROCESSOR 1. What do you mean by Addressing modes? (May/June 2014) The different ways that a microprocessor can access data are referred to as addressing modes. 2. What is meant by

More information

1. What is Microprocessor? Give the power supply & clock frequency of 8085?

1. What is Microprocessor? Give the power supply & clock frequency of 8085? 1. What is Microprocessor? Give the power supply & clock frequency of 8085? A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory

More information

MICROPROCESSOR AND MICROCONTROLLER BASED SYSTEMS

MICROPROCESSOR AND MICROCONTROLLER BASED SYSTEMS MICROPROCESSOR AND MICROCONTROLLER BASED SYSTEMS UNIT I INTRODUCTION TO 8085 8085 Microprocessor - Architecture and its operation, Concept of instruction execution and timing diagrams, fundamentals of

More information

CC411: Introduction To Microprocessors

CC411: Introduction To Microprocessors CC411: Introduction To Microprocessors OBJECTIVES this chapter enables the student to: Describe the Intel family of microprocessors from 8085 to Pentium. In terms of bus size, physical memory & special

More information

UNIT-II. Part-2: CENTRAL PROCESSING UNIT

UNIT-II. Part-2: CENTRAL PROCESSING UNIT Page1 UNIT-II Part-2: CENTRAL PROCESSING UNIT Stack Organization Instruction Formats Addressing Modes Data Transfer And Manipulation Program Control Reduced Instruction Set Computer (RISC) Introduction:

More information

UNIT-I. 1.Draw and explain the Architecture of a 8085 Microprocessor?

UNIT-I. 1.Draw and explain the Architecture of a 8085 Microprocessor? UNIT-I INTRODUCTION TO MICROPROCESSOR A common way of categorizing microprocessors is by the no. of bits that their ALU can work with at a time. (i) The first commercially available microprocessor was

More information

Lecture 2 Microcomputer Organization: Fig.1.1 Basic Components of Microcomputer

Lecture 2 Microcomputer Organization: Fig.1.1 Basic Components of Microcomputer Lecture 2 Microcomputer Organization: As discussed in previous lecture microprocessor is a central processing unit (CPU) with its related timing functions on a single chip. A microprocessor combined with

More information

INTRODUCTION OF MICROPROCESSOR& INTERFACING DEVICES Introduction to Microprocessor Evolutions of Microprocessor

INTRODUCTION OF MICROPROCESSOR& INTERFACING DEVICES Introduction to Microprocessor Evolutions of Microprocessor Course Title Course Code MICROPROCESSOR & ASSEMBLY LANGUAGE PROGRAMMING DEC415 Lecture : Practical: 2 Course Credit Tutorial : 0 Total : 5 Course Learning Outcomes At end of the course, students will be

More information

For more notes of DAE

For more notes of DAE Created by ARSLAN AHMED SHAAD ( 1163135 ) AND MUHMMAD BILAL ( 1163122 ) VISIT : www.vbforstudent.com Also visit : www.techo786.wordpress.com For more notes of DAE CHAPTER #6 Intel 8088/86 System Timing

More information

Assembly Language Programming of 8085

Assembly Language Programming of 8085 Assembly Language Programming of 8085 Topics 1. Introduction 2. Programming model of 8085 3. Instruction set of 8085 4. Example Programs 5. Addressing modes of 8085 6. Instruction & Data Formats of 8085

More information

General purpose registers These are memory units within the CPU designed to hold temporary data.

General purpose registers These are memory units within the CPU designed to hold temporary data. Von Neumann Architecture Single processor is used Each instruction in a program follows a linear sequence of fetch decode execute cycle Program and data are held in same main memory Stored program Concept

More information

Darshan Institute of Engineering & Technology for Diploma Studies Unit - 1

Darshan Institute of Engineering & Technology for Diploma Studies Unit - 1 Darshan Institute of Engineering & Technology for Diploma Studies Unit - 1 1. Draw and explain 4 bit binary arithmetic or adder circuit diagram. A binary parallel adder is digital function that produces

More information

CPU Structure and Function. Chapter 12, William Stallings Computer Organization and Architecture 7 th Edition

CPU Structure and Function. Chapter 12, William Stallings Computer Organization and Architecture 7 th Edition CPU Structure and Function Chapter 12, William Stallings Computer Organization and Architecture 7 th Edition CPU must: CPU Function Fetch instructions Interpret/decode instructions Fetch data Process data

More information

Chapter 4. MARIE: An Introduction to a Simple Computer

Chapter 4. MARIE: An Introduction to a Simple Computer Chapter 4 MARIE: An Introduction to a Simple Computer Chapter 4 Objectives Learn the components common to every modern computer system. Be able to explain how each component contributes to program execution.

More information

8051 microcontrollers

8051 microcontrollers 8051 microcontrollers Presented by: Deepak Kumar Rout Synergy Institute of Engineering and Technology, Dhenkanal Chapter 2 Introduction Intel MCS-51 family of microcontrollers consists of various devices

More information

Microprocessor. By Mrs. R.P.Chaudhari Mrs.P.S.Patil

Microprocessor. By Mrs. R.P.Chaudhari Mrs.P.S.Patil Microprocessor By Mrs. R.P.Chaudhari Mrs.P.S.Patil Chapter 1 Basics of Microprocessor CO-Draw Architecture Of 8085 Salient Features of 8085 It is a 8 bit microprocessor. It is manufactured with N-MOS technology.

More information

Introduction to Computer Science Lecture 2: Data Manipulation

Introduction to Computer Science Lecture 2: Data Manipulation Introduction to Computer Science Lecture 2: Data Manipulation Tian-Li Yu Taiwan Evolutionary Intelligence Laboratory (TEIL) Department of Electrical Engineering National Taiwan University tianliyu@cc.ee.ntu.edu.tw

More information

Bachelor Level/ First Year/ Second Semester/ Science Full Marks: 60 Computer Science and Information Technology (CSc. 153) Pass Marks: 24

Bachelor Level/ First Year/ Second Semester/ Science Full Marks: 60 Computer Science and Information Technology (CSc. 153) Pass Marks: 24 Prepared By ASCOL CSIT 2070 Batch Institute of Science and Technology 2065 Bachelor Level/ First Year/ Second Semester/ Science Full Marks: 60 Computer Science and Information Technology (CSc. 153) Pass

More information

Microcomputer Architecture..Second Year (Sem.2).Lecture(2) مدرس المادة : م. سندس العزاوي... قسم / الحاسبات

Microcomputer Architecture..Second Year (Sem.2).Lecture(2) مدرس المادة : م. سندس العزاوي... قسم / الحاسبات 1) Input/output In computing, input/output or I/O, is the communication between an information processing system (such as a computer) and the outside world, possibly a human or another information processing

More information

William Stallings Computer Organization and Architecture

William Stallings Computer Organization and Architecture William Stallings Computer Organization and Architecture Chapter 11 CPU Structure and Function Rev. 3.2.1 (2005-06) by Enrico Nardelli 11-1 CPU Functions CPU must: Fetch instructions Decode instructions

More information

THE 8051 MICROCONTROLLER

THE 8051 MICROCONTROLLER SECOND EDITION THE 8051 MICROCONTROLLER I. Scott MacKenzie University of Guelph Guelph, Ontario 'v ' ' Prentice Hall, Upper Saddle River, New Jersey 07458 INTRODUCTION TO MICROCONTROLLERS 1 1.1 Introduction

More information

For your convenience Apress has placed some of the front matter material after the index. Please use the Bookmarks and Contents at a Glance links to

For your convenience Apress has placed some of the front matter material after the index. Please use the Bookmarks and Contents at a Glance links to For your convenience Apress has placed some of the front matter material after the index. Please use the Bookmarks and Contents at a Glance links to access them. Contents at a Glance About the Author...xi

More information

Architecture of 8086 Microprocessor

Architecture of 8086 Microprocessor MCQ on Microprocessor and Interfacing Technique S.E.Compure (Sem-II) UNIT 1 Architecture of 8086 Microprocessor 1 marks Questions 1. Which is first microprocessor? (a) 8008 (b) 8085 (c) 8086 (d) 4004 2.

More information

General Purpose Processors

General Purpose Processors Calcolatori Elettronici e Sistemi Operativi Specifications Device that executes a program General Purpose Processors Program list of instructions Instructions are stored in an external memory Stored program

More information

S.R.M. INSTITUTE OF SCIENCE & TECHNOLOGY SCHOOL OF ELECTRONICS & COMMUNICATION ENGINEERING

S.R.M. INSTITUTE OF SCIENCE & TECHNOLOGY SCHOOL OF ELECTRONICS & COMMUNICATION ENGINEERING S.R.M. INSTITUTE OF SCIENCE & TECHNOLOGY SCHOOL OF ELECTRONICS & COMMUNICATION ENGINEERING QUESTION BANK Subject Code : EC307 Subject Name : Microprocessor and Interfacing Year & Sem : III Year, V Sem

More information

Module 5 - CPU Design

Module 5 - CPU Design Module 5 - CPU Design Lecture 1 - Introduction to CPU The operation or task that must perform by CPU is: Fetch Instruction: The CPU reads an instruction from memory. Interpret Instruction: The instruction

More information

Computer organization and architecture UNIT-I 2 MARKS

Computer organization and architecture UNIT-I 2 MARKS Computer organization and architecture UNIT-I 1. What are the functional units? 2. what is meant by input unit? 3. What is meant by memory unit? 4. What are the operations in ALU? 5. What is meant by output

More information

Introduction to Computers - Chapter 4

Introduction to Computers - Chapter 4 Introduction to Computers - Chapter 4 Since the invention of the transistor and the first digital computer of the 1940s, computers have been increasing in complexity and performance; however, their overall

More information

The von Neuman architecture characteristics are: Data and Instruction in same memory, memory contents addressable by location, execution in sequence.

The von Neuman architecture characteristics are: Data and Instruction in same memory, memory contents addressable by location, execution in sequence. CS 320 Ch. 3 The von Neuman architecture characteristics are: Data and Instruction in same memory, memory contents addressable by location, execution in sequence. The CPU consists of an instruction interpreter,

More information

Basics of Microprocessor

Basics of Microprocessor Unit 1 Basics of Microprocessor 1. Microprocessor Microprocessor is a multipurpose programmable integrated device that has computing and decision making capability. This semiconductor IC is manufactured

More information

EEM336 Microprocessors I. The Microprocessor and Its Architecture

EEM336 Microprocessors I. The Microprocessor and Its Architecture EEM336 Microprocessors I The Microprocessor and Its Architecture Introduction This chapter presents the microprocessor as a programmable device by first looking at its internal programming model and then

More information

ASSEMBLY LANGUAGE MACHINE ORGANIZATION

ASSEMBLY LANGUAGE MACHINE ORGANIZATION ASSEMBLY LANGUAGE MACHINE ORGANIZATION CHAPTER 3 1 Sub-topics The topic will cover: Microprocessor architecture CPU processing methods Pipelining Superscalar RISC Multiprocessing Instruction Cycle Instruction

More information

PHI Learning Private Limited

PHI Learning Private Limited MICROPROCESSORS The 8086/8088, 80186/80286, 80386/80486 and the Pentium Family Nilesh B. Bahadure Reader Department of Electronics and Telecommunication Engineering Bhilai Institute of Technology, Durg

More information

CPU Structure and Function

CPU Structure and Function CPU Structure and Function Chapter 12 Lesson 17 Slide 1/36 Processor Organization CPU must: Fetch instructions Interpret instructions Fetch data Process data Write data Lesson 17 Slide 2/36 CPU With Systems

More information

UNIT 1. Introduction to microprocessor. Block diagram of simple computer or microcomputer.

UNIT 1. Introduction to microprocessor. Block diagram of simple computer or microcomputer. UNIT 1 Unit 1 contents at a glance: 1. Architecture of 8086 microprocessor, 2. Register organization, 3. 8086 flag register and its functions, 4. addressing modes of 8086, 5. Pin diagram of 8086, 6. Minimum

More information